summaryrefslogtreecommitdiff
path: root/ext
diff options
context:
space:
mode:
Diffstat (limited to 'ext')
-rw-r--r--ext/bigdecimal/bigdecimal.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c
index 9125e6b5858..3ccad9a508a 100644
--- a/ext/bigdecimal/bigdecimal.c
+++ b/ext/bigdecimal/bigdecimal.c
@@ -239,6 +239,12 @@ again:
if (prec < 0) goto unable_to_coerce_without_prec;
if (prec > DBL_DIG+1) goto SomeOneMayDoIt;
d = RFLOAT_VALUE(v);
+ if (!isfinite(d)) {
+ pv = VpCreateRbObject(prec, NULL);
+ pv->sign = isnan(d) ? VP_SIGN_NaN :
+ d > 0 ? VP_SIGN_POSITIVE_INFINITE : VP_SIGN_NEGATIVE_FINITE;
+ return pv;
+ }
if (d != 0.0) {
v = rb_funcall(v, id_to_r, 0);
goto again;